222248320000 has 660 divisors, whose sum is σ = 681624716520. Its totient is φ = 71995392000.

The previous prime is 222248319989. The next prime is 222248320001. The reversal of 222248320000 is 23842222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222248320001) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 595839814 + ... + 595840186.

It is an arithmetic number, because the mean of its divisors is an integer number (1032764722).

Almost surely, 2^222248320000 is an apocalyptic number.

222248320000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222248320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340812358260).

222248320000 is an abundant number, since it is smaller than the sum of its proper divisors (459376396520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222248320000 is an equidigital number, since it uses as much as digits as its factorization.

222248320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The spelling of 222248320000 in words is "two hundred twenty-two billion, two hundred forty-eight million, three hundred twenty thousand".